Summary
Updated Aug 31, 2026
Robert M. Platek has 2 SEC Form 4 filings on record, most recently on 4 November 2024. Lifetime open-market purchases: $2.26M.
Recent Transactions
2Every recent SEC Form 4 transaction Robert M. Platek has reported, most recent first.
- MSD Investment Corp.P - Open-market purchase
35.4K shares @ $24.27$860K
- MSD Investment Corp.P - Open-market purchase
58.2K shares @ $24.05$1.40M
Trading Pattern
InsiderAlpha's records for Robert M. Platek go back to 2024: 2 primary Form 4 filings, an average of 0.7 per year. The typical open-market purchase is $1.13M (2 buys totaling $2.26M). No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Most Active Insiders Right Now
Robert M. Platek has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Travis Boersma - $136.26M of BROS open-market activity in the last 90 days
- SRB CORP - $135.04M of SAFT open-market activity in the last 90 days
- Coliseum Capital Management, LLC - $124.20M of UTI open-market activity in the last 90 days
- Andrew Stafman - $123.54M of TWLO open-market activity in the last 90 days
- Vyacheslav Kim - $119.18M of KSPI open-market activity in the last 90 days
- Olivier Pomel - $118.60M of DDOG open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Robert M. Platek?
Robert M. Platek is a corporate insider. InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Robert M. Platek last file a Form 4?
The most recent primary Form 4 on record is dated 4 November 2024, one of 2 filings going back to 2024.
Has Robert M. Platek been buying or selling stock?
Recorded transactions: 2 open-market purchases ($2.26M) and 0 open-market sales across all tracked filings.
Where can I see all of Robert M. Platek's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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